build: Updating --debug and CXXFLAGS behavior of wscript (same as in NFD)

Change-Id: I406b0c47bd1a8e197a909f2e12650d2a0c7b6ee4
face: Fixing bug with incorrect pausing of Face

Change-Id: I3f739a5aec8f12803ff1065a6ad17349e5b656ce
Refs: #1405